1147049 has 8 divisors (see below), whose sum is σ = 1225440. Its totient is φ = 1070496.

The previous prime is 1147043. The next prime is 1147051. The reversal of 1147049 is 9407411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1147049 - 2⁸ = 1146793 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1147043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (153180).

2^1147049 is an apocalyptic number.

1147049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1147049 is a deficient number, since it is larger than the sum of its proper divisors (78391).

1147049 is an equidigital number, since it uses as much as digits as its factorization.

1147049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1147049 is about 1071.0037348208. The cubic root of 1147049 is about 104.6792631375.

The spelling of 1147049 in words is "one million, one hundred forty-seven thousand, forty-nine".